With two open sides, Flex Double Sided fireplace insert creates the perfect room divider. The see-through design provides unobstructed views of the flickering flame from the front and the back, infusing warmth and ambiance into two adjacent rooms. With an EcoSmart Flex 60DB.BX1, you have design freedom with the choice of a Decorative Box on the left or right-hand side. Both designs are fitted with a glass panel that divides the box and the Firebox and creates an attractive streamlined look. Instantly transform any wall into a feature, indoors or out, with a stylish, clean-lined Flex Firebox. The XL700 burner delivers a captivating linear flame. With a 1.8 gallons capacity, this elongated ethanol burner has the power to heat up to 538ft2, making it ideal for residential and smaller commercial/hospitality spaces. Efficiency is a key feature of this burner, delivering up to 12 hours of heat generating flame from a single refill.